| 86701 |
求在(3,2)处的切线 |
y = square root of x+1 ; (3,2) |
; |
| 86702 |
求在(-2,-8)处的切线 |
f(x)=x^3 , (-2,-8) |
, |
| 86703 |
求在(1/6,6e)处的切线 |
y=(e^(6x))/x , (1/6,6e) |
, |
| 86704 |
求在(π/2,3π)处的切线 |
y=6xsin(x) , (pi/2,3pi) |
, |
| 86705 |
求在(0,7)处的切线 |
y=14/(1+e^(-x)) , (0,7) |
, |
| 86706 |
求在(6,19)处的切线 |
y=2x^2-9x+1 , (6,19) |
, |
| 86707 |
求在(-1,8)处的切线 |
f(x)=3-5x , (-1,8) |
, |
| 86708 |
求在(-1,-4)处的切线 |
y=(8x)/(x^2+1) , (-1,-4) |
, |
| 86709 |
求在(4,6)处的切线 |
f(x)=3 radice quadrata di x at (4,6) |
at |
| 86710 |
求在(2,19)处的切线 |
y=2x^3-x^2+7 , (2,19) |
, |
| 86711 |
求在x=1处的切线 |
y=x^(cot(x)) , x=1 |
, |
| 86712 |
求在(3,-6)处的切线 |
f(x)=x-x^2 at (3,-6) |
at |
| 86713 |
求在(9,1/3)处的切线 |
f(x)=3/x at (9,1/3) |
at |
| 86714 |
求在(1,3)处的切线 |
y=2x^3-x^2+2 , (1,3) |
, |
| 86715 |
求在x=1/2⋅ln(5)处的切线 |
y=e^(2x) at x=1/2 logaritmo naturale di 5 |
at |
| 86716 |
求在x=1处的切线 |
f(x)=1/x ; x=1 |
; |
| 86717 |
求在x=11处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=11 |
at |
| 86718 |
求在(1,-8)处的切线 |
y=x^3-9x , (1,-8) |
, |
| 86719 |
求在(1,1)处的切线 |
f(x)=1/(x^2) , (1,1) |
, |
| 86720 |
求在(1,4)处的切线 |
y=3x^3-x^2+2 , (1,4) |
, |
| 86721 |
求在(1,1)处的切线 |
x^2+xy+y^2=3 , (1,1) |
, |
| 86722 |
求在(5,6)处的切线 |
f(x) = square root of 5x+11 , (5,6) |
, |
| 86723 |
求在x=1处的切线 |
y=x^2 at x=1 |
at |
| 86724 |
求在(1,1/4)处的切线 |
y=(x^2)/(3+x) , (1,1/4) |
, |
| 86725 |
求在(-1,1)处的切线 |
y=(-2x)/(x^2+1) at the origin and at the point (-1,1) |
at the origin and at the point |
| 86726 |
求在(2,0)处的切线 |
y = natural log of x^2-3 , (2,0) |
, |
| 86727 |
求在(0,2)处的切线 |
y=x^4+2e^x , (0,2) |
, |
| 86728 |
求在(0,0)处的切线 |
f(x)=2xe^x , (0,0) |
, |
| 86729 |
求在(-2,6)处的切线 |
f(x)=x^2+2 at (-2,6) |
at |
| 86730 |
求在(16,8)处的切线 |
y=2 radice quadrata di x , (16,8) |
, |
| 86731 |
求在(-1,1)处的切线 |
f(x)=x^4 , (-1,1) |
, |
| 86732 |
求在(4,-1)处的切线 |
f(x)=1/(x-5) ; (4,-1) |
; |
| 86733 |
求在x=1处的切线 |
f(x)=5/(x^2) ; x=1 |
; |
| 86734 |
求在(4,-2√(3))处的切线 |
x^2y^2-9x^2-4y^2=0 , (4,-2 radice quadrata di 3) |
, |
| 86735 |
求在(-2,3)处的切线 |
y=x^2+x+1 at (-2,3) |
at |
| 86736 |
求在(3,3)处的切线 |
g(x)=(7x)/(x+4) at (3,3) |
at |
| 86737 |
求在(-4,-20)处的切线 |
y=x-x^2 , (-4,-20) |
, |
| 86738 |
求在(2,6)处的切线 |
y^2-x^2y-6x=0 , (2,6) |
, |
| 86739 |
求在(8,1/4)处的切线 |
f(x)=2/x at (8,1/4) |
at |
| 86740 |
求在(0,0)处的切线 |
y=sin(7x)+sin(7x)^2 , (0,0) |
, |
| 86741 |
求在(-2,16)处的切线 |
f(x)=x^4 , (-2,16) |
, |
| 86742 |
求在x=9处的切线 |
f(x)=( logaritmo naturale di x)^4 at x=9 |
at |
| 86743 |
求在(9,3)处的切线 |
x^2=y^4 , (9,3) |
, |
| 86744 |
求在(π/4,-√(2)/2)处的切线 |
y=cos(3x) , (pi/4,-( radice quadrata di 2)/2) |
, |
| 86745 |
求在(3,4)处的切线 |
x^2+y^2=25 , (3,4) |
, |
| 86746 |
求在(6,19)处的切线 |
y=2x^2-9x+1 , (6,19) |
, |
| 86747 |
求在x=1/3⋅ln(3)处的切线 |
y=e^(3x) at x=1/3 logaritmo naturale di 3 |
at |
| 86748 |
求在(9,4)处的切线 |
radice quadrata di x+ radice quadrata di y=5 , (9,4) |
, |
| 86749 |
求在(1,1/9)处的切线 |
y=(x^2)/(8+x) , (1,1/9) |
, |
| 86750 |
求在x=1处的切线 |
f(x)=2x^3+3x-3 at x=1 |
at |
| 86751 |
求在(4,-1)处的切线 |
f(x)=1/(x-5) , (4,-1) |
, |
| 86752 |
求在x=1/3⋅ln(2)处的切线 |
y=e^(3x) at x=1/3 logaritmo naturale di 2 |
at |
| 86753 |
求在(1,-4)处的切线 |
y=x^3-3x^2-2 ; (1,-4) |
; |
| 86754 |
求在(8,4)处的切线 |
f(x) = square root of x+8 , (8,4) |
, |
| 86755 |
求在(-2,5)处的切线 |
f(x)=x^2+1 at (-2,5) |
at |
| 86756 |
求在(-3,-57)处的切线 |
f(x)=7x-4x^2 at (-3,-57) |
at |
| 86757 |
求在(5,10)处的切线 |
f(x) = square root of 5x+75 , (5,10) |
, |
| 86758 |
求在(-2,1)处的切线 |
y^2=x^3-4x+1 at (-2,1) |
at |
| 86759 |
求在x=10处的切线 |
f(x)=( logaritmo naturale di x)^3 at x=10 |
at |
| 86760 |
求在x=-1处的切线 |
y=x^3 at x=-1 |
at |
| 86761 |
求在(1,3)处的切线 |
x^2+y^2=10 at (1,3) |
at |
| 86762 |
求在x=-1处的切线 |
f(x)=-x^2-x+4 at x=-1 |
at |
| 86763 |
求在(0,1)处的切线 |
y^4+x^3=y^2+12x , tangent at (0,1) |
, tangent at |
| 86764 |
求在(-3,-3)处的切线 |
(x+2)^2+(y-3)^2=37 , (-3,-3) |
, |
| 86765 |
求在(0,2)处的切线 |
y=2e^xcos(x) , (0,2) |
, |
| 86766 |
求在(1,0)处的切线 |
f(x)=x-x^3 , (1,0) |
, |
| 86767 |
求在(1,2)处的切线 |
f(x)=x^2+2x-1 , (1,2) |
, |
| 86768 |
求在x=2处的切线 |
f(x)=( logaritmo naturale di x)^5 at x=2 |
at |
| 86769 |
求在(5,7)处的切线 |
f(x) = square root of 5x+24 , (5,7) |
, |
| 86770 |
求在(0,8)处的切线 |
8e^xcos(x) , (0,8) |
, |
| 86771 |
求在(4,6)处的切线 |
g(x)=(3x)/(x-2) at (4,6) |
at |
| 86772 |
求在x=-1处的切线 |
f(x)=1/6x^4 at x=-1 |
at |
| 86773 |
求在(-3,-9)处的切线 |
g(x)=(6x)/(x+5) at (-3,-9) |
at |
| 86774 |
求在x=1处的切线 |
f(x) = radice quadrata di x+2/( radice quadrata di x) ; , x=1 |
; , |
| 86775 |
求在(-3,0)处的切线 |
y=x^3-9x , (-3,0) |
, |
| 86776 |
求在x=6处的切线 |
h(x)=7/x at x=6 |
at |
| 86777 |
求在(2,0)处的切线 |
y=x^3-4x , (2,0) |
, |
| 86778 |
求在x=1处的切线 |
y = square root of x+3 at x=1 |
at |
| 86779 |
求在x=0处的切线 |
f(x)=x^3-3x^2+2x-2 at x=0 |
at |
| 86780 |
求在(0,0)处的切线 |
y=sin(8x)+sin(8x)^2 , (0,0) |
, |
| 86781 |
求在x=-π/3处的切线 |
f(x)=sec(x)+1+(2 radice quadrata di 3pi)/3 at x=-pi/3 |
at |
| 86782 |
求在x=9处的切线 |
f(x)=( logaritmo naturale di x)^2 at x=9 |
at |
| 86783 |
求在(2,16)处的切线 |
y=2x^3 , (2,16) |
, |
| 86784 |
求在(7,14)处的切线 |
g(x)=(4x)/(x-5) at (7,14) |
at |
| 86785 |
求在(-4,17)处的切线 |
f(x)=x^2+1 at (-4,17) |
at |
| 86786 |
求在(5,1)处的切线 |
y=25/(x^2) at the point (5,1) |
at the point |
| 86787 |
求在(-1,2)处的切线 |
f(x)=4x^2+2x , (-1,2) |
, |
| 86788 |
求在x=10处的切线 |
f(x)=( logaritmo naturale di x)^2 at x=10 |
at |
| 86789 |
求在(1,-1)处的切线 |
y=(-2x)/(x^2+1) at the origin and at the point (1,-1) |
at the origin and at the point |
| 86790 |
求在(1,-1)处的切线 |
x^2y^3=y^2-2 ;, (1,-1) |
;, |
| 86791 |
求在(2,1)处的切线 |
3(x^2+y^2)^2=25(x^2-y^2) ; (2,1) |
; |
| 86792 |
求在x=3处的切线 |
f(x)=x^2-2 at x=3 |
at |
| 86793 |
求在(0,1)处的切线 |
y=e^(3x) , (0,1) |
, |
| 86794 |
求在(6,6)处的切线 |
f(x) = square root of 6x at (6,6) |
at |
| 86795 |
求在(2,16)处的切线 |
f(x)=x^4 , (2,16) |
, |
| 86796 |
求在x=1/25处的切线 |
f(x) = square root of x , x=1/25 |
, |
| 86797 |
求在(3,3)处的切线 |
f(x) = square root of 3x at (3,3) |
at |
| 86798 |
求在(2,1)处的切线 |
x^2+4xy+y^2=13 , (2,1) |
, |
| 86799 |
求在x=2处的切线 |
y=x^2 , x=2 |
, |
| 86800 |
求在(3,19)处的切线 |
y=x^3-3x+1 , (3,19) |
, |